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omega-minus particle

American  
[oh-mee-guh-mahy-nuhs, -mey-, oh-meg-uh-] / oʊˈmi gəˈmaɪ nəs, -ˈmeɪ-, oʊˈmɛg ə- /

noun

Physics.

  1. a baryon with strangeness −3, isotopic spin 0, and negative charge; predicted from the mathematics of the Eightfold Way and subsequently discovered. Ω −

Etymology

Origin of omega-minus particle

First recorded in 1960–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In 1964, for example, it took no fewer than 33 scientists, operating the large Brookhaven atom smasher, to discover another fleeting bit of matter�the omega-minus particle.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.